Finding the Third Proportional to 457,859.25 and 994,518

Step by Step Solution

1. Step 1: Write the proportion equation
   457,859.25 : 994,518 = 994,518 : x
2. Step 2: Convert to fraction form
   457,859.25/994,518 = 994,518/x
3. Step 3: Cross multiply
   457,859.25x = 994,518 × 994,518
4. Step 4: Simplify right side
   457,859.25x = 989,066,052,324
5. Step 5: Solve for x
   x = 989,066,052,324/457,859.25
6. Step 6: Final answer
   x = 2,160,196.72